Exhibit 1

Joint Filer Agreement

The undersigned hereby agree and acknowledge that the statement containing the information required by Schedule 13G/A, to which this agreement is attached as an exhibit, is filed on behalf of each of them, and any amendments or supplements to the Schedule 13G/A shall also be filed on behalf of each of them.

Dated: November 14, 2025	Valor IV Pharma Holdings, LLC

	By: Valor Equity Associates IV L.P., as general partner of its members
	By: Valor Equity Capital IV LLC, its general partner
	By: Valor Management L.P., its managing member

	By:	/s/Antonio J. Gracias
	Name:	Antonio J. Gracias
	Title:	CEO

	Valor Equity Partners IV L.P.

	By: Valor Equity Associates IV L.P., its general partner
	By: Valor Equity Capital IV LLC, its general partner
	By: Valor Management L.P., its managing member

	By:	/s/Antonio J. Gracias
	Name:	Antonio J. Gracias
	Title:	CEO

	Valor Equity Partners IV-A L.P.

	By: Valor Equity Associates IV L.P., its general partner
	By: Valor Equity Capital IV LLC, its general partner
	By: Valor Management L.P., its managing member

	By:	/s/Antonio J. Gracias
	Name:	Antonio J. Gracias
	Title:	CEO

	Valor Equity Partners IV-B L.P.

	By: Valor Equity Associates IV L.P., its general partner
	By: Valor Equity Capital IV LLC, its general partner
	By: Valor Management L.P., its managing member

	By:	/s/Antonio J. Gracias
	Name:	Antonio J. Gracias
	Title:	CEO

	Valor Equity Associates IV L.P.

	By: Valor Equity Capital IV LLC, its general partner
	By: Valor Management L.P., its managing member

	By:	/s/Antonio J. Gracias
	Name:	Antonio J. Gracias
	Title:	CEO

	Valor Equity Capital IV LLC

	By: Valor Management L.P., its managing member

	By:	/s/Antonio J. Gracias
	Name:	Antonio J. Gracias
	Title:	CEO

Valor Management L.P.

	By:	/s/Antonio J. Gracias
	Name:	Antonio J. Gracias
	Title:	CEO

	/s/Antonio J. Gracias
	Name: Antonio J. Gracias

	/s/Juan A. Sabater
	Name: Juan A. Sabater

Harmony Biosciences Holdings, Inc. SCHEDULE 13G/A